Preservation of MJ-singularities under general residual intersections
Preservation of MJ-singularities under general residual intersections
Let be a nonsingular variety, let be a closed subscheme, and let be a general -residual intersection of in the sense of the paper. The singularities MJ-canonical and MJ-log canonical are the Mather–Jacobian singularity conditions used for and . Residual-intersection conjecture. If is MJ-canonical (respectively, MJ-log canonical), then is MJ-canonical (respectively, MJ-log canonical). This predicts that the relevant MJ-singularities are preserved when passing to a general residual intersection.
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Primary source
Shihoko Ishii and Wenbo Niu, “A strongly geometric general residual intersection”, arXiv:1611.01581 (2018).
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